function cas(s,m,h)
{
	var timing=""; sekundy = ""; minuty = "";	
	sekundy = s;
	minuty = m;				
	if(s<10) sekundy="0"+""+s;
	if(m<10) minuty="0"+""+m;
	timing=h+":"+minuty+":"+sekundy;
	if(document.getElementById("time")) document.getElementById("time").innerHTML=timing;
	if(document.layers) if(document.layers["time"])
	{
		document.layers["time"].document.open();
		document.layers["time"].document.write(timing);
		document.layers["time"].document.close();
	}	
	s = s+1;
	if (s == 60)
	{
		m = m+1;
		s = 0;
		if (m == 60)
		{
			h = h+1;
			m = 0;
			if (h == 24) h = 0;
		}
	}
	setTimeout("cas("+s+","+m+","+h+");",1000);
}